text: //
  //  NSString+MBDBHandle.h
  //  MBDBKit
  //
  //  Version 1.0
  //
  
  #import <Foundation/Foundation.h>
  
  @interface NSString (MBDBHandle)
  
  - (NSData *)base64Data;
  - (NSString *)encryptWithKey:(NSString *)key;
  - (NSString *)decryptWithKey:(NSString *)key;
  
  @end
  